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3 A college wants to see if there is a significant difference in the amount...

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3 A college wants to see if there is a significant difference in the amount of time an average full time student studies each week compared to the national average of 17 hours Given that a random sample of 140 students studied an average of 15 5 hours with a population standard deviation of 6 4 hours determine if there is a significant difference between this college and the national average Test at a 95 confidence level a 0 05 The null and alternative hypotheses Ho 17 a Compute the test statistic z score b What is the p value for the test statistic HA 17

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